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In quantum mechanics, the passing of a particle through a seemingly impenetrable barrier without a cause that is explainable by classical physics.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
tun•nel•ing(ˈtʌn l ɪŋ)
a quantum-mechanical process, forbidden in classical mechanics, in which an atomic particle passes through a region where its potential energy is higher than its total energy. Also, esp. Brit.,tun′nel•ling. Also called tun′nel effect`.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Illegally diverting company funds or lucrative contracts to a company insider or majority shareholder thereby lessening the value of the holdings of minor shareholders.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited